This physical vapor deposition (PVD) process uses plasma ions with high energy in a high-vacuum atmosphere to form a deposition layer of multiple ㎚ to ㎛ on a product surface. It can be used to coat a variety of materials including metals, alloys, and ceramics.
Item | Plasma Nano Ncoating | Note |
---|---|---|
Roughness(Ra) | 4? or higher | Affected by the roughness of base metal |
Porosity (%) | Less than 0.2% | |
Hardness(Hv) | - | No surface scratches at 9H of pencil hardness |
Adhesion(MPa) | 19.9 Mpa or higher | Bonding material separation value (thermal spray layer of16.1Mpa) |
Volume resistance | 3um(260V,11mA) | 6um(330V,11mA) |
Color | Translucent yellow | ~10㎛ : transparent 15㎛~ : pale yellow |
Plasma resistance | Good | 1.4 times as high as Y2O3 thermal spray layer |
Coating thickness | Multiple nm ~ 20㎛ | Can control thickness in units of Nm |
Thermal shock | ~ 850℃ | Test completed up to 850℃ |
Category | Thermal Spray Coating | PN Coating | Note |
---|---|---|---|
Porosity (%) | 4% | Less than 0.2% | ※ The lower the porosity gets, the more resistant the plasma gets |
Micro Crack | Yes | No | ※ The lower the micro crack, the less particles |
Roughness (Ra) | ㎛ unit | Nano unit | |
Density (kg/㎠) | 165 | 203 or higher (Re-separation of bonding) | ※ Measurement standard of JIS H 8666 |
Shield capacity | Good | Completely shielded |